Add name_to_handle_at, open_by_handle etc. to ARM bits/fcntl.h.

diff --git a/ChangeLog.arm b/ChangeLog.arm
index 805ab1a..a55e6a0 100644 (file)
--- a/ChangeLog.arm
+++ b/ChangeLog.arm
@@ -1,3 +1,9 @@
+2011-04-01  Joseph Myers  <joseph@codesourcery.com>
+
+       * sysdeps/unix/sysv/linux/arm/bits/fcntl.h: Define struct
+       file_handle and MAX_HANDLE_SZ.  Declare name_to_handle_at and
+       open_by_handle.  Augment a few comments.
+
 2011-03-21  Ulrich Weigand  <ulrich.weigand@linaro.org>
 
        * sysdeps/arm/linuxthreads: Remove directory.

diff --git a/sysdeps/unix/sysv/linux/arm/bits/fcntl.h b/sysdeps/unix/sysv/linux/arm/bits/fcntl.h
index 952ae05..6a5f89a 100644 (file)
--- a/sysdeps/unix/sysv/linux/arm/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/arm/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995-1998, 2000, 2004, 2006, 2007, 2009, 2010
+   Copyright (C) 1995-1998, 2000, 2004, 2006, 2007, 2009, 2010, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -232,6 +232,19 @@ struct f_owner_ex
                                           we splice from/to).  */
 # define SPLICE_F_MORE         4       /* Expect more data.  */
 # define SPLICE_F_GIFT         8       /* Pages passed in are a gift.  */
+
+
+/* File handle structure.  */
+struct file_handle
+{
+  unsigned int handle_bytes;
+  int handle_type;
+  /* File identifier.  */
+  unsigned char f_handle[0];
+};
+
+/* Maximum handle size (for now).  */
+# define MAX_HANDLE_SZ 128
 #endif
 
 __BEGIN_DECLS
@@ -248,20 +261,32 @@ extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
                            unsigned int __flags);
 
 
-/* Splice address range into a pipe.  */
+/* Splice address range into a pipe.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
                         size_t __count, unsigned int __flags);
 
-/* Splice two files together.  */
+/* Splice two files together.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
                       __off64_t *__offout, size_t __len,
                       unsigned int __flags);
 
-/* In-kernel implementation of tee for pipe buffers.  */
+/* In-kernel implementation of tee for pipe buffers.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 extern ssize_t tee (int __fdin, int __fdout, size_t __len,
                    unsigned int __flags);
 
-/* Reserve storage for the data of the file associated with FD.  */
+/* Reserve storage for the data of the file associated with FD.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
 # ifndef __USE_FILE_OFFSET64
 extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
 # else
@@ -278,6 +303,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
                        __off64_t __len);
 # endif
 
+
+/* Map file name to file handle.  */
+extern int name_to_handle_at (int __dfd, const char *__name,
+                             struct file_handle *__handle, int *__mnt_id,
+                             int __flags) __THROW;
+
+/* Open file using the file handle.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern int open_by_handle (int __mountdirfd, struct file_handle *__handle,
+                          int __flags);
+
 #endif
 
 __END_DECLS